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Finding the Fourth Proportional to 149.94, 224.73 and 95.67

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Solution

The fourth proportional to 149.94, 224.73 and 95.67 is: 143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.94 : 224.73 = 95.67 : x
  2. Step 2: Convert to fraction form
    149.94/224.73 = 95.67/x
  3. Step 3: Cross multiply
    149.94x = 224.73 × 95.67
  4. Step 4: Simplify right side
    149.94x = 21,499.92
  5. Step 5: Solve for x
    x = 21,499.92/149.94
  6. Step 6: Final answer
    x = 143.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.